SWOMCD
SPC MCD 172331
NEZ000-KSZ000-COZ000-180100-
MESOSCALE DISCUSSION 1443
NWS STORM PREDICTION CENTER NORMAN OK
0631 PM CDT TUE JUN 17 2008
AREAS AFFECTED...PARTS OF ERN CO
CONCERNING...SEVERE THUNDERSTORM WATCH 558...
VALID 172331Z - 180100Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 558
CONTINUES.
ISOLATED SEVERE STORMS REMAIN POSSIBLE INTO THE EVENING HOURS. IT
MIGHT BE BEST TO MAINTAIN WATCH ACROSS THIS REGION UNTIL 02Z
EXPIRATION.
ALTHOUGH THE SEVERE THREAT NOW APPEARS SOMEWHAT DIMINISHED IN THE
WAKE OF A WEAK IMPULSE TURNING SOUTHEASTWARD ACROSS THE SOUTHERN
HIGH PLAINS...ANOTHER IMPULSE WITHIN BROADER SCALE WESTERLY
ANTICYCLONIC UPPER FLOW IS EVIDENT ACROSS THE GREAT BASIN. THE
INFLUENCE OF THIS SYSTEM MAY NOT BE PARTICULARLY SIGNIFICANT ACROSS
EASTERN COLORADO UNTIL LATER TONIGHT...BUT MOIST EASTERLY UPSLOPE
FLOW CONTINUES ACROSS MUCH OF THE COLORADO HIGH PLAINS. AND...MIXED
LAYER CAPE OF 1000-2000 J/KG IN THE PRESENCE OF STRONG DEEP LAYER
SHEAR BENEATH 25-35 KT NORTHWESTERLY 500 MB FLOW WILL MAINTAIN A
RISK FOR AT LEAST ADDITIONAL ISOLATED SUPERCELL DEVELOPMENT THROUGH
NIGHTFALL.
..KERR.. 06/17/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...DDC...GLD...PUB...BOU...
37080410 37490472 38260481 38800464 39380445 40190449
40640403 40490251 39960198 39030214 38180200 37240226
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